Messier 5

Last night it was clear and there was no moon. I headed out with my telescope to see what I could see, and ended up photographing Messier 5, which is a globular cluster. This composite is made from about 100 images, each 3 seconds exposure with my Celestron NexStar 127 SLT and Canon EOS 600D, […]

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Astrophotography

It’s winter, it’s dark early, and the Arctic snap passing over the UK means it is nice and clear in the sky. Last night I went to my top-secret stargazing location in Somerset. It’s far enough to avoid the worst of Bristol’s light pollution, but there is still an orange tint in the sky. It’s […]

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Solar System

A friend on Facebook pointed out that it was very clear outside tonight. I looked out of the window, and it was indeed – so I grabbed my telescope and decided to try harder at astrophotography (rather than plain old astronomy). In the past, stuff that has looked great through the eyepiece have been disappointing […]

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Making a solar filter

I wanted a solar filter for my camera, for safe observation and photography of the sun. Typically these filters have an optical density of OD 5.0, which for photographers is ND 100,000. This means that only 0.001% of light is allowed through the filter. You can buy pre-made solar filters, but they are expensive and […]

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